Mixed standard solution diagram

ColumnUltisil®Plus-C18(
4.6×250mm,5μm)
Mobile Phase0.005mol/L tetrabutylammonium hydroxide solution: take 10.56ml
of 25% tetrabutylammonium hydroxide solution, add 1800ml of
water. Then, mix well, adjust the pH value to 4.0 with 1mol/L
phosphoric acid, then dilute to 2000ml with water, mix well, and
filter with suction

0.005mol/L tetrabutylammonium hydroxide solution/ acetonitrile=
75/25
Detection225nm
Temperature30℃
Flow Rate1.0ml/min
Injection Volume10ul
Note/

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